MassMutual will be the first sponsor to have its logo on Red Sox uniforms - The Boston Globe

MassMutual becomes 'signature sponsor' for Boston Red Sox

UniWatch] Gross: Red Sox Reveal Uniform Advertisement for 2023 : r/baseball

Boston Red Sox sign BetMGM as first betting sponsor

Why are the Angels wearing jersey patches with 'FBM' on them? - Los Angeles Times

Red Sox reveal first-ever uniform advertisements; MassMutual patches coming in 2023

Milliken's Red Sox recap - Mariners 10, Red Sox 1

Logos and uniforms of the Boston Red Sox - Wikipedia

Larger-Than-Life Drone Show Celebrates MassMutual's Sponsorship of the Boston Red Sox

Red Sox, MassMutual near a $17M jersey patch deal - Boston Business Journal

Boston Red Sox mascots Wally and Tessie display the patch during a News Photo - Getty Images

Chris Cotillo on X: MassMutual is the new “signature partner” of the Red Sox. They get a jersey patch and the sign that replaces the John Hancock sign in center field. /

Legendary MLB teams break marketing ground with insurance sponsors - Insurance News

Final Red Sox homestand of the year is one of lasts – Boston 25 News

Red Sox to sport MassMutual logo under new partnership - Boston Business Journal